STEP 3
When your mixture gets a smooth texture (as in the picture below), add, in several times, your flour-baking powder mixture by sifting it, then mix gently making sure to incorporate the flour.
Add the milk, then mix again.
Your preparation is ready, put it in a pre-greased square mould (if possible), then bake it in a preheated oven at 180°C (350°F) for 25-30 min.